Key-operated lock.



J. LUTER.

KEY OPERATED LOCK.

APPLICATION FILED ocT. 2z. 1917.

1,290,612. Patented Jan. 7,1919. 3;/ I 4 G @y O @n J. LUTER.

KEY OPERATED LOCK.

APPLICATION FILED ocT. 22. 1917.

1,290,6l2., Patented Jan. 7,1919.

2 SHEETSSHEET 2.

20' 27 i: I I7 lf MM5 9 l? HI ff 02 located in three-positions as follows: Andin-` l of Fig. 3 on the :hand side view of Fig. 14; Fig.- 16 shows an top Ation of Fig. 7 on En sm 1i IS GFF f 'JA-co3 Lumen. or naromrmnnw JERSEY.

and useful Improvements in -KeyQperated Locks, of which the tion.

This invention relates to a key operated lock. Its organization .comprises a key with a hollow post having a pin which engages a' followingis a specificamovable spindle in a key post. The latter transmits its movements to a locking pin that unlocks a tumbler in the lock. The said tumbler is normally locked with a combined latch and locking bolt. The latter can be ward position in which the lock is open, an intermediate position in which it-performs latch andan outward position when-the lock locks .theappurtenances to which itis connected. Figure. 1 represents a front elevation of one embodiment ofthe-lock with` itslatch and locking bolt in its intermediate position; Fig.- 2 shows a right hand'l side View ofFig. 1; Fig. 3 is a rear view 'of Fig. 1 with a p ortion broken away 'A Fig. 4 is-a partial section line 4, 4; Fig. 5 is. va view similar to Fig. 3 with a guard plate thereof removed; Fig. 6 showsfa section of Fig. 3 on the line 6, 6;- Fig. 7 is a view similar to Fig. 5 with a number of elements removed;

Fig. 8 shows a top plan view of one of the elements of Fig. 7 Fig.` 9 represents a secview similar to Fig. 5 with its latch and locking bolt in its outward position; Fig. 11 is a view similar to Fig. 10 with its*` latch and locking bolt in its inward position; Fig.; 12 is a top plan viewv of the latch and locking boltr of the lock; enlarged section of Fig. l10 on the line 13, 13; Fig. 14 shows an enlargedsection of Fig. 10 on the line 14, 14; Fig. 15 is a partial lelt enlarged section and side view on the ,line

16, 16 of Fig. 10; Fig. 17 shows an elevation of the lock attached to a door andA its accompanying socket attached to a door-Jam and Fig. 18 is a top' plan view ofFig. 17.

vThe lock is shown with a casing compristhe main'wall 20, sidewalls 21, '22,

of the 'walls 2,2, 23 and'24 have' formed therewith anges `25 and strengthening posts 26 ings to v'ermit the the im@ 9, 9; Fig. 1o is a' Fig. 13 represents a partial wall'23'ran'd bottomwall 24.` The edges Patented Jan. 7, 1919.

' Application mea october 2 2, 1917. vserial No. 191,755. l

` extend between the inner face of the wall 20` and the lflanges 25'. A guide opening 2 7 is formed in the wall 21 for the bolt to vbe described. A in 30 extends from the inner face of the wa 20 and has hinged thereon a tumler designated in its entirety by the letter Y The latch A which extends the upper member 32 having formed therewith the heel 33, the lower member 34 and the side members 35. and 36 which 'connect the members 32 and 34. A sto pin 39 extends up `from the wall 20 an the l' member 34 bears' against said pin when the tumbler A is in its normally horizontal v.position. A spring40 has one'end thereof :fas-

tened to the member 32 -by means of the screw 41 and its other end bears against one of the posts-26 and tends toA locate the turnbler A Yin its normally horizontal position. From the .inner face of the wall extends a guide post 45'which is shouldered at46 to form the supporting tables 47 for the supportin guide plate 48. 'Aboss 49 extends from t einner face of the wall 2O which has journaled therein the pin'50, and at one end of the latter is fastened the pinion 51 and at its other end isfastened the operating knob. 52 'by means of the screw 53. l Posts.

57, 58, 59'extendup from the inner ace'of the wall'20 and separator sleeves 60 encircleI the latter posts. A guard plate 61 has openposts 57, 58 and 59 `to extend therethrough; The guard plate bears on the sleeves 60 and screws 62 bear on the plate and clamp the said ard plate in glace. A-tubular guide 63 lwith the longituinal slot 64 extends from the guard plate 61. A guide notch 65 is formed in the plate 61.

--A second guard vplate is indicated at 66 and is secured to the wall 20 by\. means of comprises the barrel 31 from the screws 67 and 68. Pins i70 yand 71 extend from the gard plate 66 anda 'spring -with thearms 72 and 73 issupported on the Acombined l'atch and locking bolt is indicated in its entirety by the letter B and comprises the outer portlon 75 with the `tapered end 76, and the inner portion 77. .To

,the inner face of the portion 77 are fastened the teeth 78 which can mesh with the pinior 51. The portion 75 bears on the inner face of the/wall 20 and the portion 77 bearsbn the guide plate 48. Al guide 4'slot 8O is formed in the portion 77 and forms a guide '50 A lookin v 4bears against the outer face of the wall 20.

for the guide post 45. An elongated indent 81 and an indent 82 are formed in the upperedge of the portion 77. An indent 85 and the indents 87 and 88 with their accompanying tooth 89 are formed inthe lower edgeV of the vportion 77. The indent 88 is curved asshown at 90 and extends to its acp companying end ofthe portion'77.. A pin 91 extends up from the portion 77 and the arm 7 -2 can bear against the same. A spring 92 has one end thereof fastened to the portion 77 by means of the screws 93.

95 extends ,from the portion 77 and has pivoted thereto the vpawl 96 with the curved lower end 97 and heel 98. The spring 92 b'ears on the upper surface of the pawl 96. The outer surface of the portion 75 of the latch and locking bolt and the outer edge of the spring-92 bear against the inner face of lv the guard plate 61.-

From the inner face of the wall 20 extends the tubular keypost 100 with the `contracted openings 101 and 102 'at its ends. The seats ,103 and 104 are formed in the post. A

lv plunger 110 is slidably located in the ,key

post 100 and has extending from one end the long spindle 111 and from the other end the spindle 112. A spring 113 encirol the long spindle 111 and bears between thev seat 103 ,30 and: the accompanying end face of the plunger 100, to normally maintain the end of the long spindle v111 in line with the outerface of the wall 20 andthe 'outer end ofthe ,spindle 112 outside of the end of the key post 100. From the outer face of the wall' y 20 extend a pair` of screw guide posts 115, l 116. A follower plate 117 is' slidably sup-A ported on the p0sts'115, Iand 116. A guide pin 118 extends from the plate 117. A

locking plate 119 having a `locking pin 120,4 normally bears against the outer face of thev wall 20 and' the outer end of the long spindle l 111, and has an opening .at one-end which engages the post 116,. An opening 121 is formedin the plate 119 for the pin 118. A` lspring v122 encirclesjthe ypin 118 vand bears between the plates 117 and-119. The locking pin 120 locks the member 34" of the latch A when -it isin itsfnorlnal horizontal position. cover is indicated at 125 which A lockingbracket is indicated in its entirety at C and which .comprises a barrel 126, from which extends at one side the locking pin 55r127 which coacts with the indent 85 of the portion 77 of the bolt of the lock. 'From the other'side of the barrel 126' extends the leg 128 with the slot 129. A bolt with the head 130 is located in the barrel 126. The bolt has formed therewith the shouldered portion 130@ and the threaded end 131. v The shoul- ""dered portion 13,0a can movein an elongatedopening 132 formed in the wall 20.f The threaded end 131`engages a threaded openl ing in the cover 125, A sp-ring washer 133 Apin.

l sidered located as shown bolt canI in this position besdrawn into, the

is located between the head 130 the top A face of the barrel 126. A screw 135 is shown y with the enlarged portion 136. The`screw engaging the slot 129.

A key is shown' with the hollow stem'140 having the pin ,141 in the axial center there.- .75 of. The bit 142 of the key is shown with the narrowed -portion 143. Openings 144 are made in the stem 140 adjacent to the pin 141 to prevent foreign matter clogging up the stem. Upon the guard plate 61 is piv- 80 ote'd a locking arm 145 which has extending therefrom Ia locking pin 146- that passes through an opening 147 in the guard plate `61 and extends to nearly the outer face 0f the portion 77 of the latch and bolt. An 85 arm with the legs 148 and 149 is pivoted to the outer face of the guard plate :61. The upper edge of the leg 148 bears against the lower edge of thearm'145. 'A pin 150 extends from the guard plate61 and supports 90 .a spring with the arms 151 andj152. The arm 151 bears against the top edgeof the varm 145 and the arm 152 bears against the leg 149. A cover 155 with vthe key opening 156 is secured to the guide plate 61 by means 95 of the screws 157.

Referring to Figs. 17' and 18.the lock is shown attached to the inside face of a doorv 158 and the portion 75 of the combined bolt and latch is seated in the socket. 159' secured to the` door jamb 160. Thelock-is fastened to thedoor by means of the screws 164 and the socket 159 is fastened to the jamb 160 by means of the screws 165.

To operate the lo'okv the parts may be conparticularly in Figs. 1, 2, 3, and 5 with the combined latch and bolt having the portions 75 and-7 7 in its intermediate position. .The said latch and look by means of the knob 52, because^the pinion 51 is in mesh with the teeth 78, and the heel33 is located at the inward end' of4 f the indent 81,` and then locked in that position by pushing -up the-locking cover -115 .which causes the locking pin 127 to lock with the indent 85. When the pin 127 is dis-yengaged 'fromthe indent 85, the'tensi'on of the spring having the arms 72, 73J-wil1- force the latch and locking bolt having the portions 120 75 and 7 7 to assume the positions l shown in Figs.- 1, 2, 3 and- 5. To lodate the said latch and locking bolt in its outward position, the

key *of the lock is located with its stem. .v encircling the key post 100 and pre'ur'e is 125 brought on the key to engage the pin 141 vwith the spindle 112 and movethe latter, so

that the long spindle 1'11`will raisev the lock ing plate 119 and thereby 'raise the locking pin 120, so that its. outer end-will move to 130 the inner face of the wall 20.f The key is then turnedin the direction of the arrow D 'the bit 142 of the key bearing against the side E of the tooth 89, swings the tumbler A* so that the heel 33 is disengaged from' the in-v dent 81- and forces the combined latch and locking bolt to its outward position to lock the door 158 with the jamb 160. The key is i Y turned to make a second. revolution in the samedirection, and the bit 142 in this second revolution engages the curved lower -end 97 of the pawl 96, until it is brought to the position shown in Fig. 10 with-the lookin 'pin t 146 bearing against the lower face o the heel 98 of said pawl. again turns. the key in the 'same direction D until the bit l142 strikes the Jleg 149, whichy v in 146 from the heel 98 and `allows the paw 96 and the tumf raisesand disengages the bler A to spring'to its normal'position, as shown in Fig. 5,- but with the'combined latch and locking-bolt in its outward position and the heel 33- locked with the indent 82. The lock'is nowv securely located in its outward or locked position. To open the lock the key is again pressed down and turned in a direction opposite to the arrow D and the bit 142vwill engage' the face F of the pawl 96 andthe narrowed portion 1,43 will again engage the member 34 of the tumbler A, and move thecombined latch and locking bolt having the portions `75 and`77 to the positions shown in Fig. 5. The key can now ,be withdrawn. If-it 1s desired to move the latch to its inward position with the key the lattery is again turned in a Adirection opposite to the arrow D and the bit 142 ismade to bear `against the face Gr of the tooth 89, and the narrowed portion 143 against the member v34 of the tumbler A as shown in Fig. 11 and the pin 1'27 is forced up to lockl with the indent 85.. l, l 1

Having described my invention what I desire to secure by Letters Patent and claim is: 1. InaA lock the combination of a combined latch an'dlockingbolt having indents for e11- bler, locking gagement withrthe bit of a key, atumbler coacting with the combined latch and locking bolt, andadapted t r locking pin normally locking with `the tumthe said key adapted to disengage the y pin from the tumbler and unlocking the latter from ,thelatch and locking bolt,

.2. In alock the. combination of a latch l55-and locking bolt, a tumbler normally lockjout of its path and locking bolt. K

3. In a lock-the combination of afcom-l ing with the, latch and loking bolt, a locking pin normally locking the tumbler in position, a key post for the lock coacting with a key .to disengage the locking pin from the tumbler, the said key swinging the tumbler moving the latch and bined latch and locking b olt having indents; a tumbler normally lockmg ,with the latch locking the tumbler in positlon, and a The. operator then bler, the locking the movable spin le of the key post.

to lock therewith, and a.

and locking bolt, a 'locking pin' normally to unlock the locking pin from the tumbler and to unlock'the tumbler from the latch and locking bolt and move the latter.

and a movable lockingpinfortheupper edge of said lower member. y

key

f 4. Inal lock the combination of a casing, `a tumbler with an upper. and "a lower mem- 'ber hinged in the caslng, a stationary stop pinfcr the lower ledge ofthe lower member k 5. In' a lockthe combination ofja casin'g,'.

a tumbler with an upper and a lower member hinged in the casing, a stationary stop pin for the lower edge of the lower member, a movable locking pin so for the upper edge ofv said lower member and a vspring to force thev lower member against its stationary stop. Y'

6. Inalock the combination of a casing, a i

tumbler hinged therein, a tubular ke post `:for the casing, a movable spindle in t e key post adapted to be actuated by a key,l and a spring" actuated locking plate normally bearing on the outside case of a wall'or 'the lock and havingv a lockingv pin extending through said 4wall in the path of said tumlate being in the path off.

a `locking plate with a locking pin 8. AIn a lock the combination of a casing, a

Vtubular key post extending from the casing,

a spring actuated plunger in the casing, a spindle extending from J'each lend of the plunger,l one of said plungers normally extending tothe outer surface of a wall of the casin 'and' the spindle at the other end of the p unger normally extending out of the key post, and a tubular key with a pin therein for the lock, the" in of the key coacting with the .pin ofthe ey post that normally extends out of the same, to force 'the plunger y down in the key post land force 'the other spindle out of the walljof the lock.

9. In a lock the combination of a comf bined latch and llocking bolt, a vpawlpivoted i to the latch'and locking bolt, a spring with one end fastelleo'l` yto the latch` and locking bolt and the otherend thereof bear'rng on the pewvl, a locking arm with a locking pin pivoted in the3lock, the said pin engaging the said pawl in a predetermined position thereof and means to disengage theflocking pin from the pawl.

f 10. In a lock -the combination of a combined latch and locking bolt, a pawl pivoted to the latch and locking bolt, a springLWith one end fastened to the latchand locking -las' isc bolt and 'the other @mi` thereof bearing on' the pawl', a'locking arm with a locking pin pivoted. in the lock, an arm -with a pair of legs pivoted in the lock, the edge of one of saidarms contacting with the edge of the- L`:locking arm, a tubular guide for a key 'for "normally bearing against said guide, a.

the lock, one of the edges of said other leg spring having a pair of arms withv one of said arms bearing against the locking arm and-'the other arm of the spring bearing against the leg that bears against the tubular guide and a key-to move the latter leg.

1l. In a lock thev combination of a casing, a combined latch and .locking'bolt having an indent, thesaid latch and locking bolt slidably locatedl in said' casing, an adjustable l locking bracket coacting with said latch and locking bolt, said bracket comprising a barrel, a screw extending through said barrel and through an elongated opening inthe casing, a locking cover engaging. the threadf ed end'ofthe screw outslde of the casing, a I Ilocking pin extendlng from the bracket adapted to4 lock with the indent in the combined latchand locking bolt and a spring washer between the head of saidscrew and .said barrel. A-

l2. ln a lock the combinatie a combined latch and locking bolt having an indent slidably located in said casing, a slidable locking cover onthe outer faces of the casing, a locking bracket on the inside of the casing witha portion thereof extending through an elongated opening in the v casing and connected to the locking-cover, a

locking pin on said bracket 7adapted to lock f with the indent of the combined latch and Y locking bolt and a screw extending through anaelongated opening in the casing with its vhead on the inside of the casing and its of a casing,

.of the legs of Leader@ threadedend in engagement with said locking cover.

13. ln a lock the combination of a casing,A ya combined latch 'and locking bo'lt slidably located inthe casing, a guard plate in the casing over the said combined latch and lockingy bolt, a tubular guide for a key extending Afrom an openlng in said guard plate, an arm with a pairof legs pivotedto the guard plate withP one of its legs normally bearing against the tubular guide, a

-pawl pivoted to the combined latch and locking bolt, a locking arm having a locking pin Vpivotedl to the guard plate andV normallybearing against the other leg of said arm and a spring with the central portion engaged by a pin on the guard plate, and

having a pair of arms one of the arms'of the spring bearing against one of the legs of the arm having two legs(l and the other arm -ofthe spring bearing against the locking arm, -the locking pin of the said locking arm adapted to engage said pawl. Y

14. In a lock the combination of ai casing, a vlocking arm with a locking pin pivoted therein, an arm with a pair of 'le in the casing, and a spring with lts central pivoted portion engaged by a pin 1n the casing and havingfa pair ofarms, one of the arms 'of the spring bearing on'the locking arm andv this 15th day 

